{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "cell type", "protein"], "input": "The diurnal rhythm of ACTH and cortisol was intact, albeit at an elevated level."}
{"RNA": [], "cell type": [], "protein": []}